| Outcome | Probability | Yes Bid | Yes Ask | 24h Change | Volume | |
|---|---|---|---|---|---|---|
| Stefan Dostanic | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Andres Andrade | 0% | 0¢ | 0¢ | — | $0 | Trade → |
This market asks which player will win the first set in the match between Stefan Dostanic and Andres Andrade. First-set markets matter because they isolate the opening dynamics of a match, useful for short-term traders and viewers tracking early momentum.
This is a single-set market tied to a specific tennis match rather than the overall match outcome. First-set results often reflect immediate factors like serving form, return pressure, and early nerves rather than long-term endurance. Market prices will update as match-day information (court surface, warmups, injuries) becomes available.
Market odds represent the collective expectation of participants about who will take set 1 and will change with new information such as warmup reports, last-minute withdrawals, or in-match developments; treat them as real-time indicators, not guarantees.
Closure timing is set by the market operator; typically markets for a specific set close at or shortly before the first ball of that set is scheduled to be played. Check the KALSHI market page for the official close time as it may be updated if the match start shifts.
The winner of the first set is the player who wins that set by whatever scoring method is used, including a tiebreak if applicable. The official on-court result reported by the tournament is what determines market resolution.
Resolution protocols vary by platform; commonly, markets are resolved based on the official result if the first set was completed, or void/refunded if no valid first set result exists. Confirm KALSHI's official rulebook or the market contract terms for final resolution policy.
Immediate movers include a break of serve in the opening games, a visible injury or medical timeout, a dominant service game streak, or unexpected weather/lighting delays that affect momentum and player routines.
Surface and venue influence point speed and bounce, which change serve and return effectiveness. For a first-set market, prioritize surface-related advantages that impact short-term tactics (fast courts favor big servers; slower courts favor returners and longer rallies).